Finding the Fourth Proportional to 753,727.34, 1,130,765.91 and 248,270.20
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Solution
The fourth proportional to 753,727.34, 1,130,765.91 and 248,270.20 is: 372,462.90
Step by Step Solution
- Step 1: Write the proportion equation
753,727.34 : 1,130,765.91 = 248,270.20 : x - Step 2: Convert to fraction form
753,727.34/1,130,765.91 = 248,270.20/x - Step 3: Cross multiply
753,727.34x = 1,130,765.91 × 248,270.20 - Step 4: Simplify right side
753,727.34x = 280,735,474,870.95 - Step 5: Solve for x
x = 280,735,474,870.95/753,727.34 - Step 6: Final answer
x = 372,462.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.